— Richard StraussRecollections of my youth and years of apprenticeship, page 140. In November 1892, Strauss had set off for an eight month journey to Greece and Egypt for convalesence from a severe lung ailment.

— Richard StraussIn late fall of 1948, Willi Schuh visited Strauss after an operation at a Clinic in Lausanne. This was a comment made by Strauss. From It will be alright on the night: Richard Streauss through quotes and anecdotes. Ed Alexander Witeschnick, Neff Press, Vienna (1983), page 187.

— Richard StraussQuotation made in an article published in 1914. Strauss had refused to sign the Manifesto of German artists and intellectuals supporting the German role in the war. Other signatories included Strauss' friends and colleagues, such as Max Reinhardt, Richard Dehmel, Max Liebermann, Engelbert Humperdink and Felix Wiengartner. The original article quoting Strauss was by Richard Specht, and is quoted by Romain Rolland in his diary entry, found on page 160 of Richard Strauss and Romain Rolland, edited by Rollo Myers, Calder and boyars, London, 1989.

— Richard StraussIn America with Richard Strauss. Elisabeth Schumann’s Travel Diary (14th October to 31st December 1921). Elisabeth Schumann was a soprano who worked with Strauss in the 1920s and 1930s. He dedicated his Brentano Lieder to her.